John w



(No Model.)

J. W. CLARK.

OULTIVATOR.

No. 388,832. Patented Sept. 4, Hi?.

Io o bl' R, 0 T m V w.

UNITED STATES PATENT OFFICE.,

JOHN W. CLARK, OF JACKSON, MISSISSIPPI, ASSIGNOR OF ONE-HALF TO LYNN H.KIRKLAND, OF SAME PLACE.

CULTIVATO R.

SPECIFICATION forming part of Letters Patent No. 388,832, datedSeptember 4, 1888.

Application tiled May 17, 1888.

To all whom, it may concern:

Be it known that I, JOIIN W. CLARK, a eitizen ofthe United States,residing at Jackson, in the county of Hinds and State ot' Mississippi,

have invented certain new and useful Improvements in Cultivators; and Ido hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it apper- Io tains to make and use the same.

This invention relates to improvements in cultivators; and it consistsin the novel construction and arrangement and combination of parts, aswill be hereinater fully explained.

The annexed drawings, to which refereuceis made, fully illustrate myinvention, in which- Figure l represents a perspective view of mycultivator. Fig. 2 is aside View, and Fig. 3 is a detail view.

Referring by letter to the accompanying drawings, A designates thecultivator,of which a is the beam, b b the handles, c the plowpoints,and l a pivoted frame composed of a semieircular bar, e, and straightbars f f. The erossbarsff are pivoted at their center to the beam of theeultivator by a bolt, g, and the two ends ot the scmicircnlar bar arebolted tothe outer ends of the cross bars er around outer teeth. Thissemieircular bar is 3o held tightly in position by an Lshaped bolt, h,which passes vertically through the beam, and has a nut at its upperend,whereby the bar can be iliade fast to the beam.

The shovels c are secu red to the lower ends ofthe standards i, whichlatter are made of round iron or steel, and are connected to two clamps,jj, arranged between the two bars f f, which latter bars are held firmlytogether by bolts B B. Thus it will be seen that the stand- 4o ards withtheir shovels or poi nts are vertically adjustable, and the same can beraised or lowered at pleasure simply by loosening the said bolts in thecrossbars ff, which in turn loosen Serial blo/274,164, (No model.)

the clamps on the standards and permit the latter to be raised orlowered, after which the nuts on the bolts are again screwed up to holdthem in posit-ioii, thus adapting the shovels to any ground or any work.

1t will be observed that when the Lshaped bolt h is loosened the f'rainecan be turned to 50 the right or left, the same swinging on the centralbolt, r/,in the beam, thereby forminga right 0r left side harrow, andwhen in its normal position the implement is a cullivator.

In rear of the cnltivator-shovels I provide a runner or gage, k, whichis clamped to the beam by a clamp, and said runner is iuade adjustableby loosening the bolts on said clamp and setting it at any height,thereby regulating the depth ot" the teeth in the ground. The 6o twobolts in the beam are connected by a plate,

m, which serves as a brace, and in connection with the semicircular barforms a strong conncction of the frame with the beam.

One oft he essential features of my combined iniplemeut is thevertically adjustable runner It, arranged in rear of the gang ofverticallyadjustable beams i, whereby the depth of run of the shovelscan be conveniently regulated.

Having thus described my iuventioii,wliat I '10 desire to secure byLetters Iatent is- 'Ihe combined convertible hand cultivator andliarrow, con'iprising the following instrunieiitalities: a beam, (l,pivoted crossfbars ff, the clamping blocksj, the circnlarly andvertically adjustable cylindrical standards yi, bearing shovels, thearcbar e, rigidly secured to the ends ofthe rear one of the barsf, thehookbolt l1., and the vertically-adjnstable gagefrunner k, all as shownand described.

In testimony whereotn I aliix my signature in presence ol' twowitnesses.

JOIlN \V. CLARK.

Witnesses:

Ron. J. BOWEN, H. L. MoGowEN.

